Facebook's website went down temporarily on Thursday, showing an error screen when users attempted to log on to the social network.

"Sorry, something went wrong. We're working on getting this fixed as soon as we can," read the error message, which was displayed on a nearly blank screen.

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The outage lasted about 30 minutes before the network was available again. It affected users in at least two continents - Europe and Asia - but may have been global.

Facebook said in an emailed statement it experienced a short downtime and is now back up. "I cannot provide details," a Facebook spokeswoman said.

Twitter users tweeted complaints or joked about the outage with the hashtag "#facebookdown."